Yanmar 3JH4E Service Manual page 46

2. Inspection and Adjustment
(9) Check the wiring connectors.
Check whether each connection part doesn't have looseness.
Battery switch
Extension wire harness
S T O P
20 30
10 40
O F F
O N
G L O W
0 50
Neutral safety switch
(Fitting to
marine gear)
Starter B terminal
Battery
Starter S terminal
Starting motor
Earth bolt
S T A R T
Alternator
Optional
Optional
Air heater
(Intake manifold)
Magnetic relay Safety relay
Flywheel housing
Sail drive
2 place expression (optional)
30
Optional
C.W. temp. sensor
C.W. temp. switch
Relay
Optional
Stop solenoid